Originally Posted by blackcrossfire07
I did test drive a crossfire once. The first time I drove it (with the salesman inside) it started to idle rough. It was clearly not normal. He fixed the problem and told me it was just a vacum line. I didn't want to buy the car
I bought a different one
I tried filling up with Chevron and so far the idle doesn't feel that rough.. Before I used Mobile. Where is the vacuum line located? So I can check it this weekend..maybe that will smooth out the rest of the engine..